Aero Sound Bar Louvre


  • The Aero acoustic louvre with its aerofoil shape blade design creates less air flow resistance to maximize air flow into stand-alone plant rooms, return air intakes and generator rooms.
  • The Aero louvre offers up to 80% more air flow resulting in lower pressure drops.


  • The weatherproof acoustic louvre series include 200mm, 300mm (SBL1) and 600mm (SBL2) models and with the compact depth of 200mm the Aero is ideal for applications in confined spaces.
  • Tested to ISO7235:2003 proving to be a very efficient sound barrier.
  • Available in galvanized sheet, aluminium and stainless steel.




    Static Insertion Loss, dB Octave Band Centre Frequency (Hz)
Model   63 125 250 500 1000 2000 4000 8000 dB(A) Red Low
Freq. Noise
dB(A) Red High
Freq. Noise
NR 5 8 13 20 23 23 19 17 11.4 18.4
STL 11 14 19 26 29 29 25 23 - -
SLB1 NR 4 7 9 3 14 12 12 8 8.6 11.9
STL 10 13 15 19 20 18 18 14 - -
SBL2 NR 5 10 14 22 27 25 21 17 12.7 19.9
STL 11 16 20 28 33 31 27 23 - -
STL  - Sound Transmission Loss NR - Noise Reduction


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Future 150

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TD Silent

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